CVE-2018-5388

Publication date 31 May 2018

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket.

Read the notes from the security team

Status

Package Ubuntu Release Status
strongswan 18.04 LTS bionic
Fixed 5.6.2-1ubuntu2.2
17.10 artful Ignored end of life
16.04 LTS xenial
Fixed 5.3.5-1ubuntu3.7
14.04 LTS trusty
Fixed 5.1.2-0ubuntu2.10

Notes

mdeslaur

root needed to access socket, only DoS

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
strongswan

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3771-1
    • strongSwan vulnerabilities
    • 25 September 2018

Other references

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